Aracer circled a track 7 times in 20 minutes. at that rate, how many times did it circle the track in 1 hour

What is the slope of a line that is perpendicular to y = 3x + 1

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2